Freezing point | ch#5 | 9th Class chemistry

#9thclasschemistry #mpluschemisty 9th class chemistry online chemistry lecture 9th class 9th class chemistry lecture class 9 chemistry matric part 1 chemistry online lecture of chemistry 9th class physical states of matter in class 9 chemistry class 9th chemistry lecture series class 9 chemistry 9th class chemistry chapter 5 5.3.4 Freezing Point When liquids are cooled, the vapour pressure of liquid decreases and a stage reaches when vapour pressure of a liquid state becomes equal to the vapour pressure of the solid state. At this temperature, liquid and solid coexist in dynamic equilibrium and this is called the freezing point of a liquid.